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CVE-2026-5980

D-Link Dir-605l Firmware buffer overflow

8.8 HIGHPublic exploitEPSS 1.17%
  1. Published9 Apr 2026

Description

A flaw has been found in D-Link DIR-605L 2.13B01. Affected by this issue is the function formSetMACFilter of the file /goform/formSetMACFilter of the component POST Request Handler. This manipulation of the argument curTime causes buffer overflow. The attack may be initiated remotely. The exploit has been published and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

D-Link Dir-605l Firmware2.13b01

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2026-5980 being actively exploited?

CVE-2026-5980 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.17%.

How severe is CVE-2026-5980?

CVE-2026-5980 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 1.17% probability of exploitation.

Which products are affected by CVE-2026-5980?

Affected products include D-Link Dir-605l Firmware.

How do I fix CVE-2026-5980?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-5980 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.